function changeOpac(opacity, id) {
var object = document.getElementById(id).style;object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
} 


function opacity(id, opacStart, opacEnd, millisec) {
    var speed = Math.round(millisec / 100);
    var timer = 0;
    if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    }
}


function showb_rotate(){
	interval_SB = window.setInterval(showb_for, 3000);
}


function showb_for(){
	var layercurent = CurSB; 
	if(layercurent==Nrdiv){
		no_showb_for();
	}
	showb_next(2);
	
}

function no_showb_for(){
	window.clearInterval(interval_SB);
}


function showb_next(type,typebd){
	if(type < 3){
		var layercurent = CurSB; 
		var Nrmax = Nrdiv;
	}

	if(layercurent==1){
		var layprev = Nrmax;
		var laynext = 2;
			
	}
	else if(layercurent<Nrmax) {
		var layprev = (layercurent-1);
		var laynext = ++layercurent;		
	}
	else if (layercurent==Nrmax) {
		var layprev = (Nrmax-1);
		var laynext = 1;	
	}

	if (type == 1){
		showBrw(layprev);
	}
	else if (type == 2) {
		showBrw(laynext);
	}
}
interval_SB = '';

function showBrw(div){
	var div = div;
	var divNr=Nrdiv;
	for(i=1; i<=divNr; i++) {
		if(i==div) { 
			document.getElementById('sb'+div).style.visibility="visible";
			changeOpac(20, 'sb'+div+''); 
			CurSB = div;	
		} 
		else { 
			document.getElementById('sb'+i).style.visibility="hidden";	
		}
	}
	opacity('sb'+div+'', 20, 99, 1000);
	chtitles();

}
function chtitles(){
	var layercurent = CurSB; 
	layercurent2 = layercurent;
	if(layercurent==1){
		var layprev = Nrdiv;
		var laynext = 2;
			
	}
	else if(layercurent<Nrdiv) {
		var layprev = (layercurent-1);
		var laynext = ++layercurent2;		
	}
	else if (layercurent==Nrdiv) {
		var layprev = (Nrdiv-1);
		var laynext = 1;	
	}
	var titluant = document.getElementById('tt'+layprev).innerHTML; 	
	var titluurm = document.getElementById('tt'+laynext).innerHTML; 	
	document.getElementById('ll').innerHTML=titluant.substring(0,16);
	document.getElementById('lr').innerHTML=titluurm.substring(0,16);	
	
}

function printit() {
	printovici=(document.layers==1);
	print();
    if (printovici) window.close(); 
	
	return true;
	}